tmp86c408idmg TOSHIBA Semiconductor CORPORATION, tmp86c408idmg Datasheet - Page 131

• Manufacturer Part Number: tmp86c408idmg
• Description: Cmos 8-bit Microcontroller
• Manufacturer: TOSHIBA Semiconductor CORPORATION

12. 8-Bit AD Converter (ADC)
12.1 Configuration
converter, a sample-and-hold circuit, a comparator, and a successive comparison circuit.
The TMP86C408IDMG have a 8-bit successive approximation type AD converter.
The circuit configuration of the 8-bit AD converter is shown in Figure 12-1.
It consists of control registers ADCCR1 and ADCCR2, converted value registers ADCDR1 and ADCDR2, a DA
AIN0
AIN5
VDD
SAIN
Analog input
multiplexer
4
0
to
n
S EN
Y
AINDS
Figure 12-1 8-bit AD Converter (ADC)
AD converter control register 1,2
ADCCR1
R/2
Sample hold
circuit
Control circuit
Page 121
R
ADCCR2
3
Shift clock
DA converter
ACK
Reference
voltage
Analog
comparator
Successive approximate circuit
AD conversion result register1,2
ADCDR1
R/2
8
8
EOCF
VSS
ADCDR2
INTADC interrupt
TMP86C408IDMG
ADBF